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They weigh only 2
It also features nitrous bosses and rear water ports
They are five times stronger and more ridged than stock because they are made from aircraft grade aluminum alloy
Let everyone know you take high performance seriously by flying the Speedmaster name and colors on a Speedmaster banner
Don't spend hours figuring out which pieces and parts you need to get what you want from your engine
Chevy GM LS3 L92 L76 250cc 64cc Hydraulic Roller Assembled Cylinder Heads They weigh only 2Speedmaster LS series cylinder heads are rapidly expanding. The LS (Gen3 4) platform has many design benefits over the earlier SBC engine designs, most notably the cylinder heads. Although the GM heads are good pieces, We have developed a superior line of heads for modern performance enthusiasts. Like all Speedmaster cylinder heads, the LS series heads are produced using our "Gravity Casting" process. This process ensures a more uniform and robust
